Issued Patents 1997
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703866 | Disk-changing device with reciprocating back-switching step cam plates | Yuji Teraguchi | 1997-12-30 |
| 5703856 | Optical head and optical data recording and reproducing apparatus having the same | Sadao Mizuno, Noboru Ito, Kenichiro Urairi, Yoshiaki Komma | 1997-12-30 |
| 5684773 | Information reproduction apparatus compatible with different recording media | — | 1997-11-04 |
| 5673211 | Digital data reproducing apparatus | Masaru Umezawa | 1997-09-30 |
| 5663945 | Digital phase locked loop with a digital voltage controlled oscillator in a recording information reproducing apparatus | Masaru Umezawa | 1997-09-02 |
| 5657312 | Optical disc having pits in multiple regions and signal processing circuit therefor | — | 1997-08-12 |
| 5656088 | Apparatus for dipping substrates in processing fluid | Kenji Sugimoto, Tadashi MAEGAWA, Akihiko Hidaka, Toshio Hiroe | 1997-08-12 |
| 5633821 | Nonvolatile memory device | Kiyoshi Nishimura, Jun Muramoto, Takaaki Fuchikami, Hiromi Uenoyama | 1997-05-27 |
| 5629924 | Optical disk having synchronous marks and data marks to satisfy certain criteria | Fumihiko Yokogawa | 1997-05-13 |
| 5606540 | Digital signal reproducing apparatus | — | 1997-02-25 |
| 5600626 | Optical disk of sampled servo type having synchronization a marks for simple synchronization detection | Fumihiko Yokogawa, Yoshimi Tomita | 1997-02-04 |
| 5592409 | Nonvolatile memory | Kiyoshi Nishimura, Jun Muramoto, Takaaki Fuchikami, Hiromi Uenoyama | 1997-01-07 |